63results about How to "Does not affect formation" patented technology

The preparation process of lateral hydroxyl group containing polyimide/SiO2 hybrid film includes dissolving polyamido acid containing lateral hydroxyl group or polyimide in 1-1400 portions in solvent to compound 5-15 % concentration solution, adding silane coupling agent containing epoxy radical in 0-250 portions for reaction at 120-150 deg.c in the presence of catalyst in 0.1-10 portions of 2-4 hr; cooling to room temperature, adding n-silicate ester in 1-1000 portions through stirring for 6-24 hr, flow casting to form film, and processing at 0.1 atm negative pressure and 60 deg.c for 12 hr, and 160 deg.C for 2 hr, at 200 deg.c for 2 hr, at 260 deg.c for 1 hr and at 300 deg.c for 0.5 hr to obtain the lateral hydroxyl group containing polyimide/SiO2 hybrid film.

The invention discloses a preparation method of a nano-metal oxide and porous activated carbon composite. The preparation method has the universality and is suitable for the composite process of different nano-metal oxides and an activated carbon material; the produced composite is stable in performance, and the nano-metal oxides can be uniformly distributed in an activated carbon structure. In the nano-metal oxide and porous activated carbon composite prepared by the preparation method provided by the invention, the metal oxides are uniformly distributed in the activated carbon component in anano-particle form, introduction of metal oxide nano-particles does not influence formation of an activated carbon pore canal, and thus the prepared composite is stable in performance.

The invention relates to an anode lead plaster of a lead-acid accumulator. The anode lead plaster comprises the following components in percentage by weight: 1-25% of red lead, 3-15% of sulfuric acid, 5-20% of water, 0.05-2% of short fibers, 0.01-10% of phosphate and the balance of lead powder. According to the anode lead plaster, by adding the slightly soluble phosphate into the formula, phosphate radical are slowly released during usage of the cell; not only are the forming process and early-stage performance of the cell not influenced, and also the problem that an electrode plate is softened at the later usage stage of the cell is overcome; the phosphate can be selected from common phosphate with stable property, such as calcium phosphate and zinc phosphate.

The invention relates to a supercritical fluid continuous extrusion recyclable high-performance nylon foam material and a preparation method thereof. The high-performance PA foam material is preparedfrom the following raw materials in parts by weight: 69-98 parts of nylon PA resin, 1-30 parts of fibers, 0.5-2 parts of a chain extender and 0.5-2 parts of a nucleating agent through supercritical fluid double-step (double screws are connected in series with a single screw) extrusion foaming device. The fibers added in the foaming process do not influence the formation of the basic structure of the closed-cell foam, and the foamed fibers are uniformly distributed on the cell walls to play a role of a reinforcement phase. The prepared thermoplastic nylon foam material is high in forming efficiency, capable of achieving continuous production, controllable in foaming ratio, economical, environmentally friendly and recyclable, and generated foam edge cutting materials or unqualified foam products can be crushed, recycled and foamed again. The material has high mechanical properties, thermal stability and creep resistance, and can be applied to the fields of aerospace, wind power, rail transit transportation, buildings and the like.

The invention relates to a method for establishing an artery ischemia model of a brain of a rhesus monkey and an evaluation method. The constructing method adopts the mode of directly puncturing femoral arteries of an experimental monkey to perform the intravascular interventional operation under the direct view of a digital subtraction angiography, and establishes the chronic cerebral infarctionprimate model by using a micro-catheter to block the arteries in the brain of the experimental monkey and controlling ischemia time. The model is a quite reasonable cerebral ischemia-reperfusion animal model, and the pathological characteristics of the monkey cerebral injury model established by the method are similar to clinical manifestation; and moreover, the model is stable and reliable and issuitable for all kinds of curing therapeutic research and related basic research.

The invention relates to a preparation method and application of a mixed oxide-doped nano copper-cobalt alloy catalyst. According to the catalyst, CuCo serves as an active component and mixed oxide serves as a carrier, wherein Cu accounts for 5-25% in the catalyst in percentage by mass, Co accounts for 5-25% in the catalyst in percentage by mass, Al2O3 accounts for 13-25% in the catalyst in percentage by mass, and one of SiO2, ZrO2, CeO2 or TiO2 accounts for the balance. The mixed oxide-doped nano copper-cobalt alloy catalyst is obtained by calcinating and reducing a hydroxide-doped hydrotalcite-like precursor. Since silicon, zirconium, cerium and titanium ions cannot enter a hydrotalcite-like laminate, the dispersion of copper and cobalt on the surface is improved, the dispersion degree of active components is increased, and the formation of a hotspot in a reaction process of synthesizing low-carbon alcohol is relieved. The catalyst is relatively high in low-carbon alcohol selectivity and low-temperature activity, easy to operate, and low in cost and is applicable to industrial production.

Embodiments of the present invention disclose a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel comprises: a first substrate, wherein a first alignment film is disposed on a surface; a second substrate, wherein the second substrate is disposed opposite to the first substrate, and a second alignment film is disposed on a surface of the second substrate; and a liquid crystal layer, wherein the liquid crystal layer is disposed between the first alignment layer and the second alignment layer, and the liquid crystal layer comprises liquid crystal molecules, a reactive monomer and a photo-curing material. According to the embodiments of the present invention, the photo-curing material is added, and a curing reaction may occur by irradiating UV light of a particular wavelength on photo-curing molecules, to form a solidified layer and a fixed side chain, so that side chain robustness is improved, tilt angle stability is enhanced, and black-level mura generation in a dark state is improved.

The invention relates to an environment-friendly process for preparing carbon black by utilizing tar, and relates to a tail gas denitrification process in a carbon black production process. The tail gas denitrification process needs to utilize a reaction device, a preheating device and a granulating device; the reaction device comprises a reaction furnace, a venturi, a reaction chamber and a cooling section; the preheating device comprises an air preheater and an oil preheater; and the granulating device comprises a carbon black grading device, the granulating device and a drying device. The tail gas denitrification process mainly comprises four steps of feed gas pyrolysis, carbon black smoke gas high-temperature denitrification, preheating of high-temperature carbon black smoke gas on air and an oil material, carbon black smoke gas separation and carbon black granulation respectively. Compared with the prior art, the tail gas denitrification process disclosed by the invention can perform denitrification treatment on the carbon black smoke gas at the manufacturing stage of the carbon black, is free of influencing the formation of the carbon black and can be used for transforming nitrogen oxide contained in a tail gas into nitrogen and decreasing the pollutants contained in the tail gas.

The invention discloses a thermosetting foam profile control agent and application thereof. The thermosetting foam profile control agent comprises a foam fixing agent, a curing agent and a foaming agent, wherein the foam fixing agent is a resin prepolymer, and the curing agent is water-soluble temperature control decomposition type slow-release acid. According to the invention, by researching anddeveloping water-soluble temperature-controlled decomposition slow-release acid and a temperature-resistant foaming agent, an underground cross-linked thermosetting phenolic foam plastic (wet method)meeting a thick oil thermal recovery plugging control construction process is modified and researched; a low-molecular resin prepolymer and a curing agent stably exist in a foam liquid film, so that the foaming volume and the half-life period are not influenced; and a curing agent is decomposed to generate an acid at a high temperature, hydrophilic resin hydroxymethyl bonds are catalyzed to be subjected to condensation polymerization to form hydrophobic resin methylene bonds, free water bound by a space net structure and coated with a liquid film is formed, and the foam liquid film is converted into a thermosetting resin hard shell, so that the influence of high temperature, stratum pore size and injected water dilution scouring on foam plugging strength, heat stability and validity periodis avoided.

The invention discloses a silicon carbide high temperature vibration sensor with high sensitivity, high frequency response, and anti-overload. The silicon carbide high temperature vibration sensor comprises a silicon carbide chip, a silicon carbide bonding sheet, an insulation layer, a packaging shell, and a kovar pin; the silicon carbide chip comprises a supporting sheet body, a cantilever beam,and a mass block; the supporting sheet body and the silicon carbide bonding sheet form a bonding body; the mass block and the cantilever beam are arranged insidea cavity of the bondingbody, and the cantilever beam is provided with a chip circuit; and the kovar pin extends into a bonding material along through holes arranged on the package shell, the insulation layer and the silicon carbide bondingsheet, and is connected with the chip circuit. The high temperature vibration sensorhas the characteristics of high sensitivity, high frequency response and anti-overload, and the accurate and timelymeasurement of vibration signals in the high temperature environment can be realized.

The invention provides a lithium ion battery and a preparation method thereof. A negative pole piece of the battery consists of a copper-lithium alloy current collector and a silicon-carbon negative material, and the negative pole piece is assembled with a membrane and a positive pole piece to form the battery. According to the battery, the capacity loss after first circulation is avoided, the utilization rate of positive active materials is improved, and the battery has excellent circulation capacity and long service life.

The invention relates to an engineering strain for co-displaying glucose oxidase and catalase on spore surface and application of the engineering strain. According to an engineering strain of bacillussubtilis, a prepared fusion gene fragment cotX-god-SpyTag is transformed into bacillus subtilis WB800n, recombinant bacillus subtilis WB800n-cotX-god-SpyTag is obtained, then a fusion gene fragment P43-cat-SpyCatcheris electro-transformed into recombinant bacillus subtilis WB800n-cotX-god-SpyTag competent cells; and namely the engineering strain is obtained. The experiment shows that the interaction peptide has no effect on the glucose oxidase and the catalase linked by SpyTag/SpyCatcher, and the enzymatic properties of the expressed glucose oxidase and the catalase are obviously changed, theadaptive range of the temperature and pH is wide, and the temperature and acid resistant properties are improved.

The invention discloses a shell-and-plate blast furnace evaporation air cooling system using a soft water closed recirculation cooling system and a plate scale treatment method thereof and belongs to the technical field of blast furnace iron making production. The shell-and-plate blast furnace vaporation air cooling system using the soft water closed recirculation cooling system comprises a base, a shell body which is over the base and is fixedly connected with the base, a cooling plate set which is a vertical layered layout is arranged in the shell body in a fixation mode, and induced air cooling towers which are connected with the shell body in a fixation mode and right above the shell body. Through replacing an induced air motor with an air suction function with the induced air cooling towers, installed gross and production running cost are lowered, there is no need to frequently change and maintain a soggy and fragile fan motor, and the induced air cooling towers are capable of being at a normal working state for a long time and saves electric energy and water consumption of refrigerant water. Physical descaling can be conducted periodically in the whole operational process of the system through the plate scale treatment method, and also thorough descaling can be conducted in a stopping process. The induced air cooling towers are flexible and mobile and through in treatment effect. The heat exchange and cooling effects of the whole system are improved, and the continuous working period and service life are prolonged.

The invention discloses a high-strength foamed ceramic and a preparation method thereof, and the preparation method comprises the following steps: (1) preparing a foamed ceramic raw material and an auxiliary agent into slurry, and drying to prepare powder; in the auxiliary agent, silicon carbide is used as a foaming agent, chromic oxide and/or a substance containing chromic oxide are/is used as a nucleating agent, and inorganic chopped fibers are used as a reinforcing agent; (2) putting the powder into a mold, and sintering; and (3) after firing, cooling and demolding to obtain the high-strength foamed ceramic. According to the preparation method, Cr2O3 is adopted as a nucleation agent and is cooled to a crystallization temperature point for heat preservation, so that a glass phase in a matrix is promoted to form high-strength mullite and quartz crystals, the strength of the matrix is improved, formation and growth of pores in a melt at a high temperature are not affected, and the prepared foamed ceramic has a good pore structure and excellent mechanical properties.

Provided is a photocurable/thermosetting inkjet composition characterized in comprising: a monomer having a (meth)acryloyl group and a glycidyl group in the molecule thereof, and having a viscosity of 10 mPa°s or less at 25°C; a trifunctional or higher acrylate monomer; a heat-curing catalyst; and a photopolymerization initiator. Also provided is a photocurable/thermosetting inkjet composition obtained by including titanium oxide in the composition described above, and characterized in being used to draw a pattern on a resin insulation layer formed on a printed wiring board.

The invention provides a display device, which utilizes a pressing wall arranged in a non-display area to penetrate through a plurality of openings of a chip on film to ensure the bonding force between the chip on film and a substrate as well as between the chip on film and a driving electrode. The display device has a simple structure, and does not influence the formation of an encapsulation layer in a display area. Furthermore, in other embodiments, the wall pressing structure can be replaced by the side walls of a cofferdam, the structure can be simplified, and materials can be saved.

The invention provides a light guide plate forming production method. The light guide plate forming production method comprises the following steps of carving an original plate; performance testing; mold manufacturing, and specifically filling light guide dots with corrosion-resistant material, and forming a corrosion-resistant block after curing; connecting one side of the corrosion-resistant block fixedly with an etching plate to form a primary template; etching the primary template to obtain a secondary template; electroplating the top surface of the secondary template to obtain a metal film, wherein the back surface of the metal film clings to the secondary template; separating the secondary template from the metal film, and molding on the back surface of the metal film to obtain a mold core; forming a reflecting layer, and injecting reflecting molten metal into the lower die cavity; forming a body; forming a protective film; eliminating bright edges, and forming a frosting layer through sand blasting; removing the film; and mass production. According to the method, high consistency between the light guide dots of the finished light guide plate obtained by mass production and the original light guide dots can be ensured, and the production efficiency can be improved; the light guide plate is integrally formed to obtain the reflecting layer, and production time can be effectively shortened; and the frosting layer obtained by coarsening can effectively improve the light emitting uniformity.